1344612634644 has 48 divisors (see below), whose sum is σ = 3147410726208. Its totient is φ = 446779204608.

The previous prime is 1344612634643. The next prime is 1344612634669. The reversal of 1344612634644 is 4464362164431.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1344612634593 and 1344612634602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344612634643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12472179 + ... + 12579525.

It is an arithmetic number, because the mean of its divisors is an integer number (65571056796).

Almost surely, 2^{1344612634644} is an apocalyptic number.

It is an amenable number.

1344612634644 is an abundant number, since it is smaller than the sum of its proper divisors (1802798091564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1344612634644 is a wasteful number, since it uses less digits than its factorization.

1344612634644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110664 (or 110662 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 48.

The spelling of 1344612634644 in words is "one trillion, three hundred forty-four billion, six hundred twelve million, six hundred thirty-four thousand, six hundred forty-four".